I just got this older jar in a bunch of mason jars purchased at an auction. So far I have determined it is from Whitall Tatum by the triangle and W over a T on the bottom. I has a seam on either side and screw on lid. I can feel a little bit of the seam on the inside on one side. The seam continues to the top of the screw on at the mouth. The lid looks pretty old with a rubber seal inside. It is probably just over a pint in size. It is fairly clear with a hint of green. Other than the glass maker's mark, I can't find any more info on it.